Finding the Fourth Proportional to 144,859.80, 217,304.70 and 39,678.75
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Solution
The fourth proportional to 144,859.80, 217,304.70 and 39,678.75 is: 59,522.23
Step by Step Solution
- Step 1: Write the proportion equation
144,859.80 : 217,304.70 = 39,678.75 : x - Step 2: Convert to fraction form
144,859.80/217,304.70 = 39,678.75/x - Step 3: Cross multiply
144,859.80x = 217,304.70 × 39,678.75 - Step 4: Simplify right side
144,859.80x = 8,622,378,865.13 - Step 5: Solve for x
x = 8,622,378,865.13/144,859.80 - Step 6: Final answer
x = 59,522.23
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.